PSYC 3410 Lecture Notes - Lecture 10: Lesion, Striatum, Receptive Field

• School: University of Guelph
• Department: Psychology
• Course: PSYC 3410
• Professor: Elena Choleris

Document Summary

M a rc h 1, 2 0 1 6. Aggression: male > female: depends on type of aggression, rats aggressive grooming, in both sexes, not hurting just being dominant, doesn"t always involve biting. The desired efects: increased muscularity and strength, very high performance and results in professional athletes. Male guinea pigs have sexual behaviour, drop with castration, brought back with testosterone injection there is variability in this behaviour the same dose to each. In rodents, estradiol mediates the majority of efects if not all of them for male sexual behaviour (esterogenic) Sexual hormone levels luctuate peaks, duration of peaks and cycle. During estrous: attractive: chemical, visual, and auditory cues, proceptive: approaches and elicits sexual behaviour from males, receptive: she responds to approaches by males (arching back thing) In rodents/mammals it is the change in hormones that trigger sexual behaviours. Testosterone increases the proceptivity of overiectomized and adrenalextomised females (rhesus monkeys: testosterone increases sexual drive in females!!